Power Inductors - Unshielded CTGS137F Series From 1.5 µH to 1000 µH Not shown at actual size. RoHS Compliant CHARACTERISTICS SPECIFICATIONS Part numbers indicate available tolerance K = ±10%, M = ±20% Part Number CTGS137F-1R5M CTGS137F-2R2M CTGS137F-2R7M CTGS137F-3R3M CTGS137F-4R7M CTGS137F-5R6M CTGS137F-6R8M CTGS137F-8R2M CTGS137F-100M CTGS137F-120M CTGS137F-150M CTGS137F-180M CTGS137F-220M CTGS137F-270M CTGS137F-330K CTGS137F-390K CTGS137F-470K CTGS137F-560K CTGS137F-680K CTGS137F-820K CTGS137F-101K CTGS137F-121K CTGS137F-151K CTGS137F-181K CTGS137F-221K CTGS137F-271K CTGS137F-331K CTGS137F-391K CTGS137F-471K CTGS137F-561K CTGS137F-681K CTGS137F-821K CTGS137F-102K Ind. (µH) 1.5 2.2 2.7 3.3 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 Q Ref. 20 22 24 26 25 24 24 24 22 25 28 28 40 35 35 28 24 22 24 18 25 20 20 18 15 15 15 12 12 10 10 10 Q Test Freq. (MHz) 7.96 7.96 7.96 7.96 7.96 7.96 7.96 7.96 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 0.796 SRF Typ. (MHz) 65 50 40 38 36 28 26 24 22 20 17 16 15 11 10 9.0 7.5 7.2 7.0 6.0 5.8 5.5 4.5 4.0 3.8 3.5 3.2 2.5 2.2 2.0 1.6 1.5 DCR Typ. Ω) (mΩ 5.0 6.0 8.0 8.7 10 15 17 19 21 30 34 36 47 60 65 75 82 95 120 140 180 210 250 280 360 410 520 600 720 880 1000 1300 Irms Max. (A) 9.50 9.00 8.20 7.50 7.00 6.50 6.00 5.80 5.60 4.80 4.50 4.20 3.60 3.30 3.10 2.90 2.70 2.50 2.30 2.10 1.90 1.80 1.60 1.50 1.30 1.20 1.10 1.00 0.90 0.85 0.80 0.75 Isat Typ. (A) 20.0 18.0 16.0 15.0 13.0 11.0 10.5 9.8 9.2 8.0 7.5 7.0 6.5 5.5 5.0 4.6 4.2 3.8 3.5 3.2 3.0 2.8 2.6 2.3 2.1 1.8 1.6 1.5 1.4 1.3 1.2 1.1 10 0.252 1.4 1600 0.65 1.0 PHYSICAL DIMENSIONS Size A B mm inches 13±0.5 13±0.5 7±0.3 5 0.512±0.020 0.276±0.012 0.197 C D Unit: mm A Marking: Inductance Code 14.0 4.5 14.0 03.19.08 Technologies D 0.512±0.020 B PAD LAYOUT CENTRAL C Typ. XXX Description: SMD power inductor Applications: VTR power supplies, OA equipment, LCD televisions, PC notebooks, portable communication equipment, DC/DC converters Operating Temperature: -40°C to +105°C Storage Temperature: -40°C to +125°C Inductance Tolerance: ±10%, ±20% Testing: Inductance is tested on an HP4284A or HP4285A at 100kHz, 0.1Vrms Packaging: Tape & Reel Marking: Marked with inductance code Isat: Inductance drop = 10% typ. at Isat Irms: ΔT = 40°C rise typ. at Irms Miscellaneous: RoHS Compliant Additional Information: Additional electrical & physical information available upon request Samples available. See website for ordering information. ctparts.com Manufacturer of Passive and Discrete Semiconductor Components 800-684-5322 Inside US 949-453-1811 Outside US Copyright © 2008 by CT Magnetics, DBA Central Technologies. All rights reserved. CT Magnetics reserves the right to make improvements or change specifications without notice